What was found
FWD MCD HINGE CRACKED AT FUSELAGE STA 500. REMOVED FWD HALF HINGE IAW B727 SRM 51-30-2 FIG 7. FABBED TEMPLATE & DRILLED NEW HINGE IAW B727 SRM 51-30-2 FIG 1. CUT NEW HINGE SECTION IAW AEI STC DRAWING NO AE5291, REV C SHEET 3, 4 & 5 P/N:MS20001-16-17200 PO 7002150. TREATED AND PRIMED NEW HINGE SECTION IAW B727 SRM 51-10-2 & AEI STC DRAWING NO AE 5291 REV C. INSTALLED FWD HINGE SECTION IAW AEI STC DRAWING NO AE 5291 REV C, OPS CHECK GOOD IAW B727 AEI MM PAGE 190.